Aloha is a tiny impact crater , that lies to the northwest of the Montes Agricola ridge, on the Oceanus Procellarum. It is located near the faint terminus of a ray that crosses the mare from the southeast, originating at the crater Glushko. (wikipedia entry)
A crater is a circular depression likely created by an impact event. On the Moon they are named after deceased scientists, polar explorers, astronauts or cosmonauts.